Social psychological investigations of hierarchy formation have been almost entirely confined to the case of task-oriented groups and hence have produced theories that turn on the existence of such a task. But other forms of vertical hierarchy may emerge in non-task groups. One form, orderings of dominance, has been studied among animals using…

One aspect of ethological methodology, behavioral categorization, is applied to the study of young children's social behavior in preschool classrooms. Studies are reviewed and recommendations for future use of ethological methods, with specific reference to categorizing children's play, are offered. (LB)